613426 has 8 divisors (see below), whose sum is σ = 1003824. Its totient is φ = 278820.

The previous prime is 613421. The next prime is 613427. The reversal of 613426 is 624316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 27883 = 613426 / (6 + 1 + 3 + 4 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 613397 and 613406.

It is not an unprimeable number, because it can be changed into a prime (613421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13920 + ... + 13963.

It is an arithmetic number, because the mean of its divisors is an integer number (125478).

2⁶¹³⁴²⁶ is an apocalyptic number.

613426 is a deficient number, since it is larger than the sum of its proper divisors (390398).

613426 is a wasteful number, since it uses less digits than its factorization.

613426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27896.

The product of its digits is 864, while the sum is 22.

The square root of 613426 is about 783.2151683924. The cubic root of 613426 is about 84.9677386219.

The spelling of 613426 in words is "six hundred thirteen thousand, four hundred twenty-six".